One major reason to keep your operating system up to date is to _____.

Unwanted color can be removed from areas of an image by ________

A) by applying various Picture Effects B) using the Set Transparent Color option C) lowering the Saturation percentage D) cropping

Which of the following are potential problems when we assign pointer variables:

a) inaccessible heap memory b) dangling pointers c) uninitialized pointers d) NULL pointers